\usemodule[visual]

\setuplayout[width=fit,height=fit,backspace=10mm,cutspace=10mm,topspace=10mm,margin=10mm,header=10mm,footer=10mm]
\setuppagenumbering[location={header,right},style=\bfb]


\starttext

\startcolumnset[n=2]
\dorecurse{2}{\fakewords{170}{180}\par}
\stopcolumnset

\dorecurse{2}{\fakewords{170}{180}\par}

\stoptext